CN117616978A - Combine harvester - Google Patents

Abstract

The invention discloses a combine harvester, which comprises a vehicle body, a chassis support, a rotary disc, a sliding support, a guide support and a sliding driver, wherein the guide support is fixed at the bottom of the vehicle body, one end of the chassis support is fixedly connected to the chassis, the rotary disc is arranged at the other end of the chassis support, the sliding support is arranged on the rotary disc, the rotary disc drives the sliding support to rotate, the sliding support is connected with the guide support in a matched manner, and the sliding driver is connected to the vehicle body and the sliding support. The combine harvester disclosed by the invention drives the sliding support arranged on the rotary disc to move through the rotary disc, the rotary disc drives the vehicle body arranged on the guide support to rotate, the vehicle body rotates for different angles to harvest crops around the combine harvester, the problem that a small-range operation is inconvenient to turn around is solved, the sliding driver drives the sliding support to move along the guide support, and the front and rear positions of the vehicle body can be adjusted to adjust the center of gravity of the vehicle body so as to improve the obstacle avoidance capability of the combine harvester.

Description

Combine harvester

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a combine harvester.

Background

The combine harvester is a machine for harvesting crops integrally. The harvester can complete the procedures of harvesting, threshing, separating stems, removing residues and the like of cereal crops at one time, and directly obtain grains from fields. Can be used for harvesting cereal crops such as rice, corn, soybean, millet, sorghum and the like.

In the related art, the combine harvester comprises a chassis, a vehicle body fixed on the chassis and a harvesting device arranged on the vehicle body, wherein the chassis bears the vehicle body for operation, and the harvesting device on the vehicle body harvests crops in the running process of the vehicle body; and when the fixed vehicle body meets a ditch and a pit, the obstacle avoidance capability is poor, and the fixed vehicle body is easy to sink into the ditch and the pit.

In view of this, it is necessary to propose a combine harvester to solve the above drawbacks.

Disclosure of Invention

The invention mainly aims to provide a combine harvester, which aims to solve the problems of difficult turning around and poor obstacle avoidance capability of the existing harvester in small-range operation.

In order to achieve the above purpose, the invention provides a combine harvester, which comprises a vehicle body, a chassis support, a rotary disc, a sliding support, a guide support and a sliding driver, wherein the guide support is fixed at the bottom of the vehicle body, one end of the chassis support is fixedly connected to the chassis, the rotary disc is arranged at the other end of the chassis support and can rotate on the chassis support, the sliding support is arranged on the rotary disc, the rotary disc drives the sliding support to rotate, one side of the sliding support, which is far away from the rotary disc, is connected with the guide support in a matched manner, one end of the sliding driver is connected to the vehicle body, and the other end of the sliding driver is connected to the sliding support and is used for driving the sliding support to move along the guide support.

Preferably, the rotary disc comprises a rotary driver, a driving wheel and a driven wheel, wherein the driving wheel is connected with the rotary driver, the rotary driver drives the driving wheel to rotate, the driven wheel is meshed with the driving wheel, and the driving wheel drives the driven wheel to rotate.

Preferably, the driving wheel and the driven wheel are gears.

Preferably, the slewing drive is an electric or hydraulic motor.

Preferably, the chassis support comprises supporting legs, a connecting frame and a storage rack, wherein two ends of the supporting legs are simultaneously supported on the chassis and the middle part of the supporting legs is arched upwards, two ends of the connecting frame are respectively connected with the supporting legs and the storage rack, and the rotary disc is installed on the storage rack.

Preferably, the support legs are arch-shaped.

Preferably, a sliding groove is formed in the bottom of the guide support, the sliding support protrudes towards the guide support, the guide rail is embedded in the sliding groove, and the sliding driver drives the sliding support to move along the sliding groove.

Preferably, the sliding groove is arranged along the length direction of the vehicle body.

Preferably, the sliding driver is an air cylinder, an oil cylinder or an electric push rod.

Preferably, the chassis is a crawler chassis.

Compared with the prior art, the combine harvester provided by the invention has the following beneficial effects:

according to the combine harvester provided by the invention, the rotary disc is used for driving the sliding support arranged on the rotary disc to move, and the guide support is matched with the sliding support, so that the rotary disc drives the vehicle body arranged on the guide support to rotate, therefore, the vehicle body can rotate for harvesting crops around the vehicle body by different angles.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an external perspective view of a combine harvester provided by the invention;

FIG. 2 is an exploded view of a portion of the combine shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the combine shown in FIG. 1;

FIG. 4 is a side view of the combine shown in FIG. 1;

fig. 5 is a schematic view of the structure of the rotary disc shown in fig. 1.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

Referring to fig. 1, fig. 2 and fig. 4 in combination, the present invention provides a combine harvester. The combine harvester comprises a vehicle body 1, a chassis 2, a chassis bracket 3, a rotary disk 4, a sliding bracket 5, a guide bracket 6 and a sliding driver 7. The guide bracket 6 is fixed at the bottom of the vehicle body 1, one end of the chassis bracket 3 is fixedly connected to the chassis 2, the rotary disk 4 is installed at the other end of the chassis bracket 3 and can rotate on the chassis bracket 3, the sliding bracket 5 is installed on the rotary disk 4, the rotary disk 4 drives the sliding bracket 5 to rotate, one side, away from the rotary disk 4, of the sliding bracket 5 is connected with the guide bracket 6 in a matched manner, one end of the sliding driver 7 is connected to the vehicle body 1, and the other end of the sliding driver 7 is connected to the sliding bracket 5 and is used for driving the sliding bracket 5 to move along the guide bracket 6. The rotary disc 4 drives the sliding support 5 arranged on the rotary disc 4 to move, and the guide support 6 is matched with the sliding support 5, so that the rotary disc 4 drives the vehicle body 1 arranged on the guide support 6 to rotate, the vehicle body 1 can rotate at different angles to harvest crops around the vehicle body, when the harvester is inconvenient to turn around under the condition of small-range operation, the harvester can harvest crops around the harvester by rotating the vehicle body in other directions without turning around operation, particularly under the condition of mountain small-field operation, the adjustability in the harvesting process is more flexible by adjusting the direction of the vehicle body, and the sliding driver 7 drives the sliding support 5 to move along the guide support 6, so that the front and back positions of the vehicle body 1 can be adjusted to adjust the gravity center position of the vehicle body 1, the harvester is prevented from driving into a pit or sinking into a mud pit, and the obstacle avoidance capability of the harvester is greatly improved.

For example, when a pit with the diameter of 0.5m is arranged in front, the harvester moves forwards, the gravity center of the harvester body moves backwards, the front end of the harvester body tilts a certain angle relative to the ground under the action of the crawler chassis, in this way, the crawler chassis is arranged above the pit and cannot enter the pit, and similarly, when the front end of the harvester body falls into a mud pit, the gravity center of the harvester body moves backwards, the rear end of the harvester body serves as a fulcrum, the front end of the harvester body lifts upwards, the front end of the harvester body breaks away from the mud pit, and the harvester body is moved out of the mud pit in a backward mode.

Referring to fig. 3, the chassis support 3 includes a supporting leg 31, a connecting frame 33 and a shelf 35, two ends of the supporting leg 31 are simultaneously supported on the chassis 2 and the middle portion thereof is arched upwards, two ends of the connecting frame 33 are respectively connected with the supporting leg 31 and the shelf 35, and the turntable 4 is mounted on the shelf 35.

Further, the supporting leg 31 has an arch bridge shape. The support legs 31 are arranged in an arch bridge shape on the two chassis 2, and the connecting frame 33 is fixed on the top of the arch. The arch-shaped support leg 31 can more firmly support the vehicle body 1 according to the connection and support principle of the arch.

Wherein the connecting frame 33 is a section steel vertically connected between the supporting leg 31 and the shelf 35.

Referring to fig. 3, specifically, in this embodiment, the rotary disc 4 includes a rotary driver 41, a driving wheel 43 and a driven wheel 45, the driving wheel 43 is connected with the rotary driver 41, the rotary driver 41 drives the driving wheel 43 to rotate, the driven wheel 45 is meshed with the driving wheel 43, and the driving wheel 43 drives the driven wheel 45 to rotate. Preferably, the driving wheel 43 and the driven wheel 45 are gears. The driving wheel 43 and the driven wheel 45 are external gears to form external gear engagement transmission, however, in other embodiments, the driving wheel 43 and the driven wheel 45 may be an external gear and an internal gear to form internal gear engagement transmission, so that the transmission purpose can be achieved. Specifically, the rotary driver 41 is a motor, and the motor drives the driving wheel 43 to rotate, so as to drive the driven wheel 45 to rotate, and the sliding bracket 5 is mounted on the driven wheel 45, so that the sliding bracket 5 can be driven to rotate.

It should be noted that, the rotary driver 41 is a motor or a hydraulic motor, the motor or the hydraulic motor is fixed on the chassis support 3, as shown in fig. 5, the driving wheel 43 and the driven wheel 45 are fixedly connected on the chassis support 3 through a fixing support 46, a bearing 47, a bearing seat 48 and a rotating shaft 49 are further installed on the fixing support 46, one end of the rotating shaft 49 is connected on the bearing seat 48, the other end is connected with the driven wheel 45, the driven wheel 45 is supported, and it is realized that the motor or the hydraulic motor drives a driving gear to rotate, and the driving gear drives the driven gear to rotate.

As shown in fig. 2, the guide bracket 6 is a rectangular bracket welded by profile steel, and has the same length and width as those of the vehicle body 1, and is fixed at the bottom of the vehicle body 1. The bottom of the guide bracket 6 is provided with two sliding grooves 61, and the two sliding grooves 61 are arranged at intervals in parallel. The sliding support 5 protrudes towards the guiding support 6, the guiding rail 51 is embedded in the sliding groove 61, and the sliding driver 7 drives the sliding support 5 to move along the sliding groove 61. The driving direction of the slide driver 7 coincides with the direction of the slide groove 61, and the slide driver 7 drives the slide bracket 5 to move along the guide bracket 6, thereby displacing the vehicle body 1 mounted on the guide bracket 6. The gravity center of the whole machine is adjusted by moving the vehicle body 1, so that the running in a farmland is more stable.

Further, the slide groove 61 is provided along the longitudinal direction of the vehicle body 1. The position of the gravity center is adjusted in the length direction of the vehicle body 1, the gravity center moves under the condition of meeting a ditch or a pit, the gravity center is prevented from falling into the ditch pit, and the gravity center can be moved out through moving even if the gravity center falls into the ditch pit, so that the obstacle avoidance capability of the harvester is greatly improved.

Specifically, the sliding driver 7 is an air cylinder, an oil cylinder or an electric push rod. Preferably, in this embodiment, the sliding driver 7 is an oil cylinder. The driving force of the oil cylinder is larger, and the requirement of driving power can be met.

Specifically, in this embodiment, the chassis 2 is a crawler chassis. Of course, in other embodiments, the chassis 2 may also be a wheel chassis.

According to the combine harvester provided by the invention, the rotary disc 4 drives the sliding support 5 arranged on the rotary disc to move, and the guide support 6 is matched with the sliding support 5, so that the rotary disc 4 drives the vehicle body 1 arranged on the guide support 6 to rotate, therefore, the vehicle body 1 can rotate at different angles to harvest peripheral crops, when the combine harvester is inconvenient to turn around under the condition of small-range operation, the harvester can harvest the surrounding crops by rotating the vehicle body in other directions without turning around operation, especially under the condition of mountain small-field operation, in a mode of adjusting the vehicle body direction, the adjustability in the harvesting process is more flexible, and the sliding driver 7 drives the sliding support 5 to move along the guide support 6, so that the front and back positions of the vehicle body 1 can be adjusted, the gravity center position of the vehicle body 1 is adjusted, the harvester is prevented from driving into a pit or a mud pit, and the avoidance capability of the harvester is greatly improved.

The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (10)

1. The utility model provides a combine harvester, its characterized in that includes automobile body, chassis support, gyration dish, sliding support, direction support and sliding drive ware, the direction support is fixed the automobile body bottom, the one end fixed connection of chassis support is in on the chassis, the gyration dish is installed the other end of chassis support and can rotate on the chassis support, the sliding support is installed on the gyration dish, the gyration dish drives the sliding support rotates, the sliding support keep away from one side of gyration dish with the direction support cooperation is connected, sliding drive ware's one end is connected on the automobile body, the other end is connected be used for driving on the sliding support is followed the direction support removes.

2. The combine harvester of claim 1, wherein the rotary pan comprises a rotary drive, a drive wheel and a driven wheel, the drive wheel is connected to the rotary drive, the rotary drive drives the drive wheel to rotate, the driven wheel is meshed with the drive wheel, and the driven wheel is driven to rotate by the drive wheel.

3. A combine harvester according to claim 2, wherein the drive wheel and the driven wheel are gears.

4. A combine harvester according to claim 2, wherein the rotary drive is an electric or hydraulic motor.

5. The combine harvester according to claim 1, wherein the chassis support comprises supporting legs, a connecting frame and a commodity shelf, both ends of the supporting legs are simultaneously supported on the chassis and the middle position of the supporting legs is arched upwards, both ends of the connecting frame are respectively connected with the supporting legs and the commodity shelf, and the rotary tray is mounted on the commodity shelf.

6. The combine of claim 5, wherein the support legs are arch-shaped.

7. The combine harvester of claim 1, wherein a chute is provided at the bottom of the guide bracket, the sliding bracket protrudes toward the guide bracket with a guide rail embedded in the chute, and the sliding driver drives the sliding bracket to move along the chute.

8. The combine harvester of claim 7, wherein the chute is disposed along a length of the body.

9. The combine harvester of claim 1, wherein the sliding drive is a cylinder, an oil cylinder, or an electric push rod.

10. A combine harvester according to claim 1, wherein the chassis is a tracked chassis.